/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.state;



import com.bff.gaia.unified.sdk.annotations.Internal;



import javax.annotation.Nullable;



/** <b><i>For internal use only; no backwards-compatibility guarantees.</i></b> */

@Internal

public class ReadableStates {



  /** A {@link ReadableState} constructed from a constant value, hence immediately available. */

  public static <T> ReadableState<T> immediate(@Nullable final T value) {

    return new ReadableState<T>() {

      @Override

      @Nullable

      public T read() {

        return value;

      }



      @Override

      public ReadableState<T> readLater() {

        return this;

      }

    };

  }

}